Found this today - lid was smashed and it was left out in the open. Full of water but otherwise intact. Several bits of logbook and lid had blown around and I felt it had crossed the line between letterbox and rubbish, so I bagged what I could reach and brought it home.

The stamps are shop-bought ones, not hand carved nor could I see any box names etc. Two of them, one of a turtle (rubber separate from block), one a christmas penguin.

If anyone recognises it and wants the book pulp and the two stamps back, let me know.